Turbine.



.11. P. PIERCE.

TURBINE. APPLICATION FILED 0(1'l.23L 1912.

1,058,790. Patented Apr. 15, 1913.

v I wish it-tobe iinderstood that I do not conne myself to ally the precise detailsy of construction herein set forth merely by Way of illustration, as modification and variation may be, made without departingv from the spirit of the invention or exceeding the scope of the appended claims.

lfVhat is claimed is: x

1. In a. turbine engine, the combination with acasing having a iiuid intake at one end thereof and exhaust outlet at the opposite end, of a revolving shaft mounted Within the casing and a series of disks mounted upon the shaft, each disk constituting a section of a spiral, so that when the disks are assembled on the shaft a complete spiral rotor is formed.

Looeeo 2. The combination with a casing having an inlet at one end and an outlet at the opposite end for; the motive fluid, of n shaft rotatably journaled in the casing und a series of thin metallic disk like sections, euch having a central or hub opening, through which the shaft passes when the disks are mounted thereon, said assembled disks forining in conjunction With the shaft a complete spiral rotor.

In testimony whereof, I aiiix my signature, in the presence of two Witnesses.

PAUL P. PIERCE.

Witnesses:

ALLAN M. Porn,

AGUIDE F. VERLEECK. 

